Big Tech faces a historic legal showdown. A major trial over social media addiction has begun and could reshape the technology industry. Meta CEO Mark Zuckerberg testified before a jury for the first time over claims that social media harms young people. His testimony came more than four years after leaked internal documents suggested the company knew its platforms could…

Sam Altman has advertised a $555,000-a-year role to confront the risks of advanced artificial intelligence.The new head of preparedness at OpenAI will assess and mitigate threats ranging from cyberattacks to biological weapons. Altman warned the job would be stressful and demand immediate action.The role involves preparing for future AI systems that could train themselves and cause severe harm. The vacancy…